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A292133
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Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1 + k*x^j).
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2
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1, 1, 0, 1, -1, 0, 1, -2, 0, 0, 1, -3, 2, -1, 0, 1, -4, 6, -6, 1, 0, 1, -5, 12, -21, 14, -1, 0, 1, -6, 20, -52, 69, -26, 1, 0, 1, -7, 30, -105, 220, -201, 50, -1, 0, 1, -8, 42, -186, 545, -868, 591, -102, 2, 0, 1, -9, 56, -301, 1146, -2705, 3436, -1785, 214, -2, 0
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,8
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LINKS
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Seiichi Manyama, Antidiagonals n = 0..139, flattened
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EXAMPLE
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Square array begins:
1, 1, 1, 1, 1, ...
0, -1, -2, -3, -4, ...
0, 0, 2, 6, 12, ...
0, -1, -6, -21, -52, ...
0, 1, 14, 69, 220, ...
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CROSSREFS
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Columns k=0..3 give A000007, A081362, A071109, A261582.
Rows n=0..1 give A000012, (-1)*A001477.
Main diagonal gives A292134.
Cf. A246935, A286957.
Sequence in context: A322279 A331923 A292861 * A304482 A309021 A307968
Adjacent sequences: A292130 A292131 A292132 * A292134 A292135 A292136
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KEYWORD
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sign,tabl
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AUTHOR
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Seiichi Manyama, Sep 09 2017
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STATUS
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approved
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